Conversion Factors - Airgas.com

Specialty Gases
Pure Gases
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Unit Conversion Formulas

Temperature | Pressure | Density
Volume | Weight | Velocity | Area
Length


Temperature
Start with
Fahrenheit



Celcius



Kelvin



Rankine



Pressure
Multiply
Atmospheres



Grams per sq. centimeter

Inches of mercury


Inches of water




Kilograms per sq. centimeter


Pounds per sq. inch





Density
Multiply
Grams/cu. centimeter



Pounds/cu. centimeter


Gram-moles of ideal gas @ 0° mm Hg

Pound-moles of ideal gas @ 0° mm Hg

Volume
Multiply
Barrels (petroleum, U.S.)

Barrels (liquid, U.S.)

Cubic centimeters


Cubic meters



Cubic feet





Gallons (imperial)



Gallons (liquid, U.S.)





Liters




Ounces (fluid)


Pints

Quarts (liquid, U.S.)



Weight
Multiply
Grains

Ounces



Pounds




Tons



Grams



Kilograms




Metric tons




Velocity
Multiply
Feet per second




Meters per second




Knots




Kilometers per hour




Miles per hour





Area
Multiply
Square millimeter









Square centimeter









Square meter









Hectare









Square kilometer









Square inch









Square foot









Square yard









Acre









Square mile









Length
Multiply
Centimeters

Feet



Inches


Kilometers


Meters



Miles (statute)

Yards